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Autres articles (35)

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

  • Les vidéos

    21 avril 2011, par

    Comme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
    Un des inconvénients de cette balise est qu’elle n’est pas reconnue correctement par certains navigateurs (Internet Explorer pour ne pas le nommer) et que chaque navigateur ne gère en natif que certains formats de vidéos.
    Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

Sur d’autres sites (3705)

  • [SOLVED]how do I apply watermark on multiple videos in the current directory with ffmpeg

    22 octobre 2017, par Ariane Martins Gomes Do Rego

    Linux + ffmpeg

    I have a folder with 300 videos. I need to apply the same watermark on all these videos, so in the folder I have 300 video files + 1 png file which is my watermark, how do I convert all with different names, so that the next file does not overwrite the previous one ?

    Answer :

    for f in *.mp4; do ffmpeg -i "$f" -i watermark.png -filter_complex 'overlay=10:10' -strict -2 "$f-marked.mp4"; done

    Thank you so Much. [SOLVED]

  • MP4 Videos on website embed with html5 does not play on iOS

    31 août 2012, par Sidner

    So I have a couple of videos on my website that I shot using the iPhone 4 and then converted to mp4, webm and ogg, so that I can use them with html5. Thing is, the video does not play at all on the 4 iOS devices that I tested and neither on Chrome for Android.

    The Chrome issue could be because some of the mp4 are actually m4v files, but still after encoding with handbrake a video to the iphone 4 presset and in mp4 format, it still does not play.

    What happens, you ask ? Well, it shows the play button crossed out with a diagonal bar, the debug console on Safari does not show any message untill I try to access the video directly. Then it says : QuickTime Movie could not be played.

    What can I do ? I have been trying to encode with ffmpeg, have tried a handful of different solutions, some even found here on stackoverlow, but to no avail. The videos do get shorter, both in display size and MBs, but nothing works to fix the issue at hand.

    I've been trying to get this corrected for a couple of weeks now. Any help and/or suggestions are welcome.

    Thank you.

    By the way, all the videos are on a registred users section of the website, but I have one for debugin on the main page, so feel free to test.

    https://sidnerwebsite.sytes.net

  • how to concat two videos in ffmpeg with adelay ?

    4 janvier 2023, par SMART

    i have 2 videos : outs.mp4 & V2.mp4 .

    


    outs.mp4 is 4 seconds long (no audio).

    


    V2 is 30 seconds long with audio .

    


    now , i want to concat these files ,when i concat , 2nd video's audio is playing at 00:00:00 . what i want is 2nd video's audio should start play after 4 seconds, 00:00:04.002 . so tried this command ,but it runs forever .

    


    ffmpeg -i outs.mp4 -i V2.mp4 -filter_complex "[0:v][1:v]concat=n=2 [v] ;[1:a]adelay=4s [a] ;[a]amix=inputs=1 [a1]" -map "[v]" -map "[a1]" -y output.mp4

    


    what to do ? how to concat 2 or more videos (with or without audio) [audio should match with the video] in ffmpeg ?

    


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